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YSI ProPlus

YSI ProPlus

The next generation YSI Professional Plus handheld multiparameter meter provides extreme flexibility for the measurement of a variety of combinations for dissolved oxygen, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride, and temperature. Also a very powerful lab instrument for BODs, pH, and ORP. 

The YSI ProPlus can be directly deployed for surface water applications or used with a flow cell for groundwater programs. 

Standard Parameters: pH & ORP, Conductivity, Dissolved Oxygen, Temperature


MAXIM rental includes the flow cell for groundwater monitoring and sampling programs:



  • Rugged & easy to use handset
  • 5000 datapoint memory
  • Battery life = 80 hours with internal two C-sized alkaline

Companion accessories for groundwater sampling programs:


 YSI ProPlus General Information 

Download Brochure Maxim Quick Start Guide

Horiba U-22 YSI 556

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